Make code compile with clang_use_chrome_plugin (part V)

xfa/fxfa/app/xfa_ffbarcode.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef XFA_FXFA_APP_XFA_FFBARCODE_H_
 #define XFA_FXFA_APP_XFA_FFBARCODE_H_
 
 #include "xfa/fxbarcode/include/BC_Library.h"
 #include "xfa/fxfa/app/xfa_fftextedit.h"
 #include "xfa/fxfa/include/xfa_ffpageview.h"
 
 class CXFA_FFBarcode : public CXFA_FFTextEdit {
  public:
   CXFA_FFBarcode(CXFA_FFPageView* pPageView, CXFA_WidgetAcc* pDataAcc);
-  virtual ~CXFA_FFBarcode();
-  virtual FX_BOOL LoadWidget();
-  virtual void RenderWidget(CFX_Graphics* pGS,
-                            CFX_Matrix* pMatrix = NULL,
-                            uint32_t dwStatus = 0,
-                            int32_t iRotate = 0);
-  virtual void UpdateWidgetProperty();
-  virtual FX_BOOL OnLButtonDown(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy);
-  virtual FX_BOOL OnRButtonDown(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy);
+  ~CXFA_FFBarcode() override;
+
+  // CXFA_FFTextEdit
+  FX_BOOL LoadWidget() override;
+  void RenderWidget(CFX_Graphics* pGS,
+                    CFX_Matrix* pMatrix = NULL,
+                    uint32_t dwStatus = 0,
+                    int32_t iRotate = 0) override;
+  void UpdateWidgetProperty() override;
+  FX_BOOL OnLButtonDown(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) override;
+  FX_BOOL OnRButtonDown(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) override;
 };
 
 enum XFA_BARCODETYPEENUM {
   XFA_BARCODETYPE_aztec,
   XFA_BARCODETYPE_codabar,
   XFA_BARCODETYPE_code11,
   XFA_BARCODETYPE_code128,
   XFA_BARCODETYPE_code128A,
   XFA_BARCODETYPE_code128B,
   XFA_BARCODETYPE_code128C,
@@ skipping 55 matching lines @@
 };
 struct XFA_BARCODETYPEENUMINFO {
   uint32_t uHash;
   const FX_WCHAR* pName;
   XFA_BARCODETYPEENUM eName;
   BC_TYPE eBCType;
 };
 typedef XFA_BARCODETYPEENUMINFO const* XFA_LPCBARCODETYPEENUMINFO;
 
 #endif  // XFA_FXFA_APP_XFA_FFBARCODE_H_